Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592383 | Constant-flow valve | — | 1986-06-03 |
| 4250915 | Automatic controlling valve for maintaining the rate of fluid flow at a constant value | — | 1981-02-17 |
| 4234013 | Control valve for keeping the rate of flow at a fixed value | — | 1980-11-18 |
| 4210171 | Automatic controlling valve for maintaining the rate of fluid flow at a constant value | — | 1980-07-01 |